Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Shredder - Junior DRAW

Author: Mark Young

Date: 01:45:54 08/24/00

Go up one level in this thread


On August 23, 2000 at 09:19:08, Shay Bushinsky wrote:

>Looks like we missed again - amongst several ways instead of 47.. h5?? 47.. Rc1!
>and after c5 falls the game should be easily won...
>Oh well. At least Ossi Weiner promised to repent if Shredder manages
>to draw :)
>
>-- Shay

I'm not sure what Jr. London was trying to achive with 47.. h5. Every other
program I tried locked quickly on 47.. Ra3 which also looks winning in the lines
I have seen displayed.


Shredder - Junior
5k2/8/2p4p/2P5/8/4N2b/5P1P/r2B2K1 b - - 0 1

Analysis by Junior 6.0:

47...Rxd1+ 48.Nxd1 Ke7
  ²  (0.44)   depth: 3   00:00:00
47...h5 48.f4
  µ  (-1.08)   depth: 3   00:00:00
47...Ra5 48.f4 Rxc5
  -+  (-1.54)   depth: 3   00:00:00
47...Ra5 48.f4 Rxc5 49.Kf2 Rc1
  -+  (-1.48)   depth: 6   00:00:00
47...Ra5 48.f4 Rxc5 49.Kf2 Ra5 50.Kg3
  -+  (-1.58)   depth: 9   00:00:00  8kN
47...Ra5 48.f4 Rxc5 49.Kf2 Ra5 50.Kg3 Ra3 51.Kxh3 c5 52.f5 Rxe3+ 53.Kg4
  -+  (-1.54)   depth: 12   00:00:00  75kN, tb=5
47...Ra3 48.Bh5 Rc3 49.Bd1 Ke7 50.Bc2 Rxc5 51.f4
  -+  (-1.66)   depth: 12   00:00:00  193kN, tb=5
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.f4 Ra5 53.Kf3 Ra3+
54.Ne3 c5
  -+  (-1.74)   depth: 15   00:00:01  1122kN, tb=25
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.Ne3 Ra5 53.Kg3 c5
54.Nf5 Ra3+ 55.Kg4 Ra6
  -+  (-1.72)   depth: 18   00:00:07  5551kN, tb=122
47...Ra3 48.Be2 Rc3 49.Bf1 Rc1 50.f4 Bxf1 51.Nxf1 Rc4 52.Ne3 Rxf4 53.Kg2 Re4
54.Nf5 Re5 55.Nxh6 Rxc5 56.Kf3
  -+  (-1.73)   depth: 20   00:00:34  25612kN, tb=338
47...Ra3 48.Be2 Rc3 49.Bf1 Rc1 50.f4 Bxf1 51.Nxf1 Rxc5 52.Kf2 Rc2+ 53.Kg3 c5
54.h4 Rc1 55.Ne3 c4 56.f5 c3
  -+  (-1.79)   depth: 22   00:01:20  57808kN, tb=1080
47...Ra3 48.Be2 Rc3 49.Bf1 Bxf1 50.Kxf1 Rxc5 51.Kg2 Rb5 52.h3 c5 53.f4 Rb4
54.Kf3 c4 55.f5 c3 56.f6 Kf7
  -+  (-1.83)   depth: 23   00:02:57  123972kN, tb=3511
47...Ra3 48.Be2 Rc3 49.Bf1 Bxf1 50.Kxf1 Rxc5 51.Kg2 Rb5 52.h3 c5 53.f4 Rb4
54.Kf3 c4 55.f5 c3 56.f6 Kf7
  -+  (-1.83)   depth: 24   00:05:20  220177kN, tb=7836
47...Ra3 48.Be2 Rc3 49.Bf1 Bxf1 50.Kxf1 Rxc5 51.Kg2 Rb5 52.h3 c5 53.Kg3 Rb3
54.Kg4 Rb4+ 55.f4 c4
  -+  (-1.83)   depth: 25   00:09:24  382371kN, tb=15456

(Young, MyTown 24.08.2000)



Shredder - Junior
5k2/8/2p4p/2P5/8/4N2b/5P1P/r2B2K1 b - - 0 1

Analysis by Hiarcs 7.32:

47...Rc1 48.f4 Rxc5
  -+  (-2.46)   depth: 1   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-2.46)   depth: 2/5   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-2.46)   depth: 3/5   00:00:00
47...Rc1 48.f4 Ke7 49.Kf2 Rxc5
  -+  (-2.39)   depth: 4/9   00:00:00
47...Bg4 48.Nxg4 Rxd1+ 49.Kg2 Rd5 50.Nxh6 Rg5+ 51.Kf3 Rxc5
  -+  (-2.43)   depth: 4/12   00:00:00
47...Bg4 48.Nxg4
  -+  (-1.74)   depth: 5/12   00:00:00  1kN
47...Bg4 48.Nxg4 Rxd1+ 49.Kg2 Rd5 50.Nxh6 Rxc5
  µ  (-1.09)   depth: 5/12   00:00:00  2kN
47...Rc1 48.f4 Rxc5 49.Kf2 Bf5
  -+  (-2.43)   depth: 5/14   00:00:00  3kN
47...h5 48.f3
  -+  (-2.45)   depth: 5/16   00:00:00  5kN
47...h5 48.f3
  -+  (-2.33)   depth: 6/16   00:00:00  7kN
47...h5 48.f3
  -+  (-2.38)   depth: 7/17   00:00:00  25kN
47...Ra3 48.Nf1
  -+  (-2.52)   depth: 7/17   00:00:01  45kN
47...Ra3 48.Ng2 Rc3 49.Nf4 Bf5 50.Kg2 Rxc5 51.Bb3
  -+  (-2.52)   depth: 8/18   00:00:01  106kN
47...Ra3 48.Ng2 Rc3 49.f4 Rxc5 50.Kf2 Bf5 51.Ne3 Ke7
  -+  (-2.61)   depth: 9/21   00:00:02  366kN
47...Ra3 48.Ng2 Ke7 49.f4 Kf6 50.Kh1
  -+  (-2.54)   depth: 10/24   00:00:04  807kN
47...Ra3 48.Ng2 Ke7 49.f3 Rc3 50.Kf2 Rxc5 51.f4 Bf5 52.Ne3 Rb5
  -+  (-2.73)   depth: 11/25   00:00:18  3516kN
47...Ra3 48.Ng2 Kf7 49.f3 Rc3 50.Kf2 Rxc5 51.Ne3 Rc3 52.f4 c5 53.f5
  -+  (-2.62)   depth: 12/29   00:00:36  6959kN
47...Ra3 48.Ng2 Kf7 49.f3 Kf6 50.f4 Ke6 51.Bh5
  -+  (-2.66)   depth: 13/30   00:02:01  23597kN
47...Ra3 48.Ng2 Rc3 49.Ne3 Kg7 50.Be2
  -+  (-2.86)   depth: 14/30   00:04:54  57329kN, tb=1

(Young, MyTown 24.08.2000)




Shredder - Junior
5k2/8/2p4p/2P5/8/4N2b/5P1P/r2B2K1 b - - 0 1

Analysis by Crafty 17.11:

47...Ra2
  -+  (-1.77)   depth: 1/2   00:00:00
47...Ra2 48.f4
  -+  (-1.55)   depth: 2/3   00:00:00
47...Rc1
  -+  (-1.95)   depth: 2/3   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-2.52)   depth: 2/3   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-2.52)   depth: 3/7   00:00:00
47...Rc1 48.f4 Ke7 49.Kf2 Rxc5
  -+  (-2.54)   depth: 4/7   00:00:00
47...Rc1 48.f4 Ke7 49.Kf2 Rxc5
  -+  (-2.54)   depth: 5/9   00:00:00
47...Rc1 48.f4 Ke7 49.Kf2 Rxc5 50.Bf3
  -+  (-2.43)   depth: 6/10   00:00:00  4kN
47...Rc1 48.f4 Ke7 49.Kf2 Rxc5 50.Bf3 Be6
  -+  (-2.47)   depth: 7/13   00:00:00  14kN
47...Rc1 48.f4 Rxc5 49.Kf2 Rb5 50.Be2 Rb2 51.f5
  -+  (-2.43)   depth: 8/13   00:00:00  37kN
47...Rc1 48.f4 Rxc5 49.Kf2 Rb5 50.Kg3 Be6 51.Ba4 Rb6
  -+  (-2.49)   depth: 9/16   00:00:01  115kN
47...Ra3 48.Ng4 Rc3 49.f4 Rxc5 50.Kf2 Bxg4 51.Bxg4 Rc2+ 52.Kg3 Rd2
  -+  (-2.70)   depth: 9/16   00:00:01  203kN
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.Ng3 Rc2 53.Nf5
  -+  (-2.67)   depth: 10/17   00:00:01  407kN
47...Ra3 48.Be2 Ke7 49.Bf1 Ra1 50.f3 Bxf1 51.Nxf1 Rc1 52.Kf2 Ke6 53.Ne3 Rxc5
  -+  (-2.71)   depth: 11/21   00:00:02  1175kN
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.f4 Rf5 53.Kf3 Ke7
54.Ke4
  -+  (-2.69)   depth: 12/21   00:00:03  1860kN, tb=2
47...Ra3 48.Nf1 Rc3 49.f4 Ke7 50.Kf2 Bxf1 51.Kxf1 Rxc5 52.Kf2 Rf5 53.Ke3 c5
54.Bf3
  -+  (-2.67)   depth: 13/25   00:00:06  4029kN, tb=2
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.f4 Rc2+ 53.Kf3 Ke7
54.h4 Rc1 55.Ne3 Re1
  -+  (-2.68)   depth: 14/25   00:00:12  7677kN, tb=15
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.f4 Ke7 53.Ne3 Rb5
54.Kf3
  -+  (-2.70)   depth: 15/29   00:00:16  11068kN, tb=21
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bd7 51.f4 Rxc5 52.Ne3 Ke7 53.Kf2
  -+  (-2.59)   depth: 16/30   00:00:29  20254kN, tb=70
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bd7 51.f4 Rxc5 52.Ne3 Rb5 53.h3 Ke7
54.Kf2
  -+  (-2.65)   depth: 17/31   00:00:54  38473kN, tb=253
47...Ra3 48.Bf3 Rc3 49.Bg2 Rc1+ 50.Nf1 Bxg2 51.Kxg2 Rxc5 52.Ne3 Rg5+ 53.Kf3 Ra5
54.h4 Ke7 55.Ke4 Ke6 56.f4 Ra4+ 57.Kf3 Rd4 58.Ng4
  -+  (-2.70)   depth: 18/33   00:02:52  122135kN, tb=1337
47...Ra3 48.Be2 Rc3 49.Bf1 Bxf1 50.Kxf1 Rxc5 51.f4 Ke7 52.Kg2 Ke6 53.Kf3 Rb5
  -+  (-2.70)   depth: 19/34   00:06:18  267846kN, tb=3697

(Young, MyTown 24.08.2000)




Shredder - Junior
5k2/8/2p4p/2P5/8/4N2b/5P1P/r2B2K1 b - - 0 1

Analysis by Fritz 6:

47...Rxd1+
  =  (-0.22)   depth: 1/2   00:00:00
47...Rxd1+ 48.Nxd1
  ±  (0.84)   depth: 1/3   00:00:00
47...Bf5
  =  (-0.13)   depth: 1/5   00:00:00
47...Bf5 48.Nxf5 Rxd1+ 49.Kg2
  µ  (-0.91)   depth: 1/5   00:00:00
47...Be6
  µ  (-1.09)   depth: 1/5   00:00:00
47...Be6 48.Kg2
  µ  (-0.88)   depth: 2/6   00:00:00
47...Ke7
  µ  (-1.13)   depth: 2/6   00:00:00
47...Bg4
  µ  (-1.16)   depth: 2/6   00:00:00
47...Rc1
  µ  (-1.28)   depth: 2/6   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-1.78)   depth: 2/7   00:00:00
47...Rc1 48.f4 Rxc5
  -+  (-1.78)   depth: 3/5   00:00:00
47...Rc1 48.f4 Kf7 49.Kf2 Rxc5
  -+  (-1.69)   depth: 4/10   00:00:00
47...Rc1 48.f4 Rxc5 49.Bc2 Rb5
  -+  (-1.69)   depth: 5/10   00:00:00  1kN
47...Rc1 48.f4 Rxc5 49.Bc2 Rb5 50.Kf2
  -+  (-1.56)   depth: 6/11   00:00:00  2kN
47...Rc1 48.f4 Rxc5 49.Kf2 Bf5 50.Bf3 Ke7
  -+  (-1.72)   depth: 7/14   00:00:00  7kN
47...Rc1 48.f4 Rxc5 49.Kf2 Rb5 50.Bc2 c5 51.Nd5
  -+  (-1.59)   depth: 8/15   00:00:00  19kN
47...Rc1 48.f4 Rxc5 49.Bf3 Rc3 50.Kf2 c5
  -+  (-1.66)   depth: 9/17   00:00:00  44kN
47...Rc1 48.f4 Be6 49.Kf2 Rxc5
  -+  (-1.63)   depth: 10/19   00:00:00  120kN
47...Ra3
  -+  (-1.66)   depth: 10/19   00:00:00  160kN
47...Ra3 48.Bc2 Rc3 49.Bd1 Rxc5 50.f4 Ra5 51.Kf2 c5 52.Bf3
  -+  (-1.84)   depth: 11/22   00:00:00  346kN
47...Ra3 48.Bc2 Rc3 49.Bd1 Rxc5 50.f4 Ra5 51.Kf2 Ra2+ 52.Bc2
  -+  (-1.81)   depth: 12/21   00:00:00  500kN
47...Ra3 48.Bc2 Rc3 49.Bd1 Rxc5 50.f4 Rc1 51.Kf2 c5 52.Bc2
  -+  (-1.84)   depth: 13/23   00:00:01  971kN
47...Ra3 48.Bc2 Rc3 49.Bd1 Rxc5 50.f4 Ra5 51.Kf2 Ra2+ 52.Bc2
  -+  (-1.78)   depth: 14/23   00:00:02  1600kN
47...Ra3 48.Bc2 Rc3 49.Bd1 Rxc5 50.f4 Rc1 51.Kf2 c5 52.Bc2
  -+  (-1.84)   depth: 15/24   00:00:03  3131kN, tb=1
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.Kf4
  -+  (-1.84)   depth: 16/28   00:00:13  11570kN, tb=8
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.Kf4
  -+  (-1.91)   depth: 17/29   00:00:23  19661kN, tb=18
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.Kf4
  -+  (-1.84)   depth: 18/30   00:00:35  30301kN, tb=53
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.Kf4
  -+  (-1.84)   depth: 19/30   00:01:13  63433kN, tb=175
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.e4
  -+  (-1.84)   depth: 20/33   00:02:41  135579kN, tb=396
47...Ra3 48.Bg4 Rxe3 49.fxe3 Bxg4 50.Kf2 Kf7 51.Kg3 h5 52.Kf4
  -+  (-1.94)   depth: 21/34   00:05:42  289115kN, tb=1781

(Young, MyTown 24.08.2000)



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.